
PAC Racing PAC-R391-16 Valve Spring Retainers, 1.400 OD
PAC Racing designed these PAC-R391-16 Valve Spring Retainers for use with PAC 1903 dual springs. These 300 Series retainers are manufactured from 4140 Chrome Moly steel, heat treated to withstand wear and abrasion, and feature a black oxide finish. They are ideal for budget minded performance applications without sacrificing quality.
PAC Racing PAC-R391-16 Valve Spring Retainers Specs:
- Fits 1903 PAC Valve Springs
- Retainer Material: 4140 Chrome Moly Steel
- Outside Diameter: 1.400 in.
- Retainer Style: Standard
- Valve Spring Style: Standard
- Lock Style: 10 degree
- Locks Included: No
- Outside Step Diameter: 1.067 in.
- Inside Step Diameter: 0.785 in.
- Number of Springs per Valve: Dual
- Quantity: Sold as a set of 16
PAC Racing Springs produces premium-quality valve springs and related valvetrain components for many different automotive and racing applications. Their lines of valve springs, retainers, locks, seats, shims and specialty tools, designed to provide excellent performance and reliability, are available as individual components or as complete kits.
PAC: The World’s Premier Valve Spring Manufacturer!
PAC Racing PAC-R391-16 Valve Spring Retainers, 1.400 OD
PAC Racing designed these PAC-R391-16 Valve Spring Retainers for use with PAC 1903 dual springs. These 300 Series retainers are manufactured from 4140 Chrome Moly steel, heat treated to withstand wear and abrasion, and feature a black oxide finish. They are ideal for budget minded performance applications without sacrificing quality.
PAC Racing PAC-R391-16 Valve Spring Retainers Specs:
- Fits 1903 PAC Valve Springs
- Retainer Material: 4140 Chrome Moly Steel
- Outside Diameter: 1.400 in.
- Retainer Style: Standard
- Valve Spring Style: Standard
- Lock Style: 10 degree
- Locks Included: No
- Outside Step Diameter: 1.067 in.
- Inside Step Diameter: 0.785 in.
- Number of Springs per Valve: Dual
- Quantity: Sold as a set of 16
PAC Racing Springs produces premium-quality valve springs and related valvetrain components for many different automotive and racing applications. Their lines of valve springs, retainers, locks, seats, shims and specialty tools, designed to provide excellent performance and reliability, are available as individual components or as complete kits.
PAC: The World’s Premier Valve Spring Manufacturer!
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Product Information
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Description
PAC Racing designed these PAC-R391-16 Valve Spring Retainers for use with PAC 1903 dual springs. These 300 Series retainers are manufactured from 4140 Chrome Moly steel, heat treated to withstand wear and abrasion, and feature a black oxide finish. They are ideal for budget minded performance applications without sacrificing quality.
PAC Racing PAC-R391-16 Valve Spring Retainers Specs:
- Fits 1903 PAC Valve Springs
- Retainer Material: 4140 Chrome Moly Steel
- Outside Diameter: 1.400 in.
- Retainer Style: Standard
- Valve Spring Style: Standard
- Lock Style: 10 degree
- Locks Included: No
- Outside Step Diameter: 1.067 in.
- Inside Step Diameter: 0.785 in.
- Number of Springs per Valve: Dual
- Quantity: Sold as a set of 16
PAC Racing Springs produces premium-quality valve springs and related valvetrain components for many different automotive and racing applications. Their lines of valve springs, retainers, locks, seats, shims and specialty tools, designed to provide excellent performance and reliability, are available as individual components or as complete kits.
PAC: The World’s Premier Valve Spring Manufacturer!











